# ATTINY807-MN

**Microchip Tech** · Microcontroller Units (MCUs/MPUs/SOCs) · VQFN-24-EP(4x4)

ATTINY807-MN from Microchip Tech, in a VQFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PA2 | bidirectional | General-purpose I/O pin PA2 that also carries EVOUT0, AIN2, RxD (alternate position), and MISO per Table 5-1, and has full asynchronous pin-change detection. |
| 2 | PA3 | bidirectional | General-purpose I/O pin PA3 that also serves as the EXTCLK external clock input, with AIN3, XCK (alternate position), SCK, and WO3 listed as alternate functions. |
| 3 | GND | power_in | Ground reference pin for the device. |
| 4 | VDD | power_in | Power supply pin; the device operates from 1.8 V to 5.5 V per the general operating conditions (Table 31-2). |
| 5 | PA4 | bidirectional | General-purpose I/O pin PA4 that also carries AIN4, XDIR (alternate position), SS, WO4, and LUT0-OUT. |
| 6 | PA5 | bidirectional | General-purpose I/O pin PA5 that also carries AIN5, OUT, WO5, and WO. |
| 7 | PA6 | bidirectional | General-purpose I/O pin PA6 that also carries AIN6 and AINN0 (analog comparator negative input 0), with full asynchronous pin-change detection. |
| 8 | PA7 | bidirectional | General-purpose I/O pin PA7 that also carries AIN7, AINP0 (analog comparator positive input 0), and LUT1-OUT. |
| 9 | PB7 | bidirectional | General-purpose I/O pin PB7 with no alternate function listed in Table 5-1. |
| 10 | PB6 | bidirectional | General-purpose I/O pin PB6 with no alternate function listed in Table 5-1. |
| 11 | PB5 | bidirectional | General-purpose I/O pin PB5 that also carries CLKOUT, AIN8, AINP1, and WO2 (alternate position). |
| 12 | PB4 | bidirectional | General-purpose I/O pin PB4 that also carries AIN9, AINN1, WO1 (alternate position), and LUT0-OUT (alternate position). |
| 13 | PB3 | bidirectional | General-purpose I/O pin PB3 that also carries RxD and WO0 (alternate position). |
| 14 | PB2 | bidirectional | General-purpose I/O pin PB2 that also carries EVOUT1, TxD, and WO2. |
| 15 | PB1 | bidirectional | General-purpose I/O pin PB1 that also carries AIN10, XCK, SDA, and WO1. |
| 16 | PB0 | bidirectional | General-purpose I/O pin PB0 that also carries AIN11, XDIR, SCL, and WO0. |
| 17 | PC0 | bidirectional | General-purpose I/O pin PC0 that also carries SCK and WO (both alternate positions). |
| 18 | PC1 | bidirectional | General-purpose I/O pin PC1 that also carries MISO and LUT1-OUT (both alternate positions). |
| 19 | PC2 | bidirectional | General-purpose I/O pin PC2 that also carries EVOUT2 and MOSI (alternate position). |
| 20 | PC3 | bidirectional | General-purpose I/O pin PC3 that also carries SS, WO3 (both alternate positions), and LUT1-IN0. |
| 21 | PC4 | bidirectional | General-purpose I/O pin PC4 that also carries WO4 (alternate position) and LUT1-IN1. |
| 22 | PC5 | bidirectional | General-purpose I/O pin PC5 that also carries WO5 (alternate position) and LUT1-IN2. |
| 23 | PA0 | bidirectional | Pin PA0 is the RESET/UPDI pin whose function is selected by the RSTPINCFG fuse (GPIO, UPDI, or RESET), and it also carries AIN0 and LUT0-IN0. |
| 24 | PA1 | bidirectional | General-purpose I/O pin PA1 that also carries AIN1, TxD (alternate position), MOSI, and LUT0-IN1. |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | VQFN-24-EP(4x4) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 25 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage |  | 1.8 |  | 5.5 | V | Ordering code ATtiny807-MN, -40°C to +105°C | 493 |
| Maximum CPU speed |  |  |  | 20 | MHz | Ordering code ATtiny807-MN, 1.8V to 5.5V, -40°C to +105°C | 493 |
| Operating temperature range |  | -40 |  | 105 | °C | Ordering code ATtiny807-MN, 1.8V to 5.5V | 493 |

## CAD (KiCad official)

- Symbol: `ATTINY807-MN`
- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`
- 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
- 3D model files: `attiny807-mn-etched.step` / `attiny807-mn-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `attiny807-mn.step` / `attiny807-mn.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Microchip Tech datasheet](docs/attiny807-mn-datasheet.pdf) (522 pp, sha256 `f5c03e904027d54c`, retrieved 2026-10-31, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/attiny807-mn-datasheet.pdf)